CN112342640A - Large biological wall cloth containing bioactive components - Google Patents
Large biological wall cloth containing bioactive components Download PDFInfo
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- CN112342640A CN112342640A CN202011352031.5A CN202011352031A CN112342640A CN 112342640 A CN112342640 A CN 112342640A CN 202011352031 A CN202011352031 A CN 202011352031A CN 112342640 A CN112342640 A CN 112342640A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a large biological wall cloth containing bioactive components and a preparation method thereof, wherein the preparation method comprises the following steps: preparing a porous molecular nest containing a bioactive component, dispersing the molecular nest containing the bioactive component, preparing fibers containing the molecular nest, and preparing wallcoverings containing the molecular nest. The invention has the beneficial effects that: the color fastness of the wall cloth is high; the mildew-proof grade can reach 1 grade; the antifouling performance is good, and no dust remains on the wall cloth after the indoor placement for 6 months; the wall surface still has no damage after being used for 1 year in a humid environment; the waterproof performance can reach 4 grades; the bacteriostasis rate to staphylococcus aureus, colibacillus and candida albicans is more than 90%.
Description
Technical Field
The invention relates to the technical field of wallhanging, in particular to large biological wallhanging containing bioactive components and a preparation method thereof.
Background
The wall cloth is also called wall cloth, mainly uses cotton cloth as base cloth, and applies printing or embossing on the base cloth, and also can be woven by using jacquard, and the pattern used is geometric figure and flower pattern. Compared with wallpaper, the wall cloth can be customized according to the actual perimeter of a home, and no seam exists after being attached to a wall surface, so that the problems of edge curling and edge warping are avoided; the wall cloth is thick, can protect the wall and is relatively wear-resistant, and people do not need to worry about scratches or black marks caused by friction or long-term contact; the sound absorption and insulation effect is achieved by the combination of the concave-convex pure cloth texture and the soft tissue thickness.
However, the following problems still exist in the use of wallcoverings, such as: patterns on the wall cloth are easy to fade; bacterial mites are easy to breed in humid seasons, and the health of a human body is possibly influenced; dust is easily accumulated in the cloth veins of the wallhanging, and the wallhanging needs to be scrubbed regularly; the wall cloth has poor air permeability, and the interior of the wall cloth is easy to mildew after long-term use; poor antibacterial performance of wall cloth, and the like.
Chinese patent CN208533920U discloses a single-flower embroidery seamless wall cloth with good thermal insulation performance, the inside basic unit that is equipped with of this wall cloth, the reinforcing layer that bonds in the basic unit outside is equipped with between heat preservation and the reinforcing layer and is connected the insulating layer, the heat preservation outside bonds the noise damping layer and the inside noise damping hole that is equipped with of noise damping layer, the noise damping layer outside connects the top layer, the outer dust-proof membrane that bonds in top layer. Although the wall cloth can play a dustproof role, the added dustproof film is not breathable, so that the wall body is easily wet, and the antibacterial performance of the wall cloth is poor.
Chinese patent CN208950203U discloses a mould proof protection against insects wall paper, this mould proof protection against insects wall paper includes the basic unit, and expelling parasite layer and mould proof layer have been paintd in proper order on the basic unit surface, and the expelling parasite layer adopts the insect-resist agent to cover and forms the protecting film in the basic unit surface, and the mould proof layer includes the surface course that is woven by dacron silk longitude and latitude and forms, is provided with the mould proof agent on the dacron silk. However, the addition of chemical components to the fungicide may have an effect on human health.
Chinese patent CN203499172U discloses a dampproof wall cloth with air permeability, which comprises a wall cloth base layer and a surface layer formed by knitting silk threads, wherein the base layer is provided with air holes in the direction perpendicular to the wall surface, and the hole diameter of the air holes is a conical hole with a small outside and a large inside. However, dust is easily accumulated in the air vents of the moisture-proof wall cloth, and the air permeability of the wall cloth is affected.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a large biological wall cloth containing bioactive components and a preparation method thereof, so as to improve the color fastness and the mildew resistance of the wall cloth and improve the air permeability, the water resistance and the antibacterial property of the wall cloth.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a biological wall cloth containing bioactive components and its preparation method comprises preparing porous molecular nest containing bioactive components, dispersing molecular nest containing bioactive components, preparing fiber containing molecular nest, and preparing wall cloth containing molecular nest.
The preparation of the porous molecular nest containing the bioactive components comprises the preparation of the porous nano molecular nest, the preparation of a bioactive component solution, the dispersion of the porous nano molecular nest and the preparation of the molecular nest containing the bioactive components.
The preparation method of the porous nano molecular nest comprises the steps of preparing a calcium chloride solution with the mass fraction of 10%, adding hydrogen peroxide into the calcium chloride solution while stirring, wherein the mass ratio of the calcium chloride solution to the hydrogen peroxide is 1 (2-4), the stirring speed is 100-110rpm, the stirring time is 30-35min, and obtaining the pore-increasing agent after the stirring is finished. And then pouring the pore-increasing agent into 100-mesh zeolite powder for heating and stirring, wherein the heating temperature is 80-85 ℃, the stirring speed is 70-80rpm, the heating and stirring time is 50-55min, and the mass ratio of the pore-increasing agent to the zeolite powder is 1: (3-5), after heating and stirring are finished, spray drying is carried out, and the porous molecular nest is obtained. And then adding the modified zeolite powder into a ball mill, and grinding for 1-1.5 hours at the ball-material ratio of (30-35): 1 and the ball mill rotation speed of 200-250r/min to obtain the porous nano molecular nest.
The preparation method of the bioactive component solution comprises the steps of mixing chitin and seaweed extracts according to the mass ratio of (2-4) to 1, dissolving the mixture in absolute ethyl alcohol, and then carrying out ultrasonic homogenization to prepare the bioactive component solution, wherein the homogenization temperature is 70-80 ℃, the mean power is 10-15kw, and the homogenization time is 2-3 hours.
And (2) dispersing the porous nano molecular nest, namely adding the porous nano molecular nest and an ethanol aqueous solution into a ball mill for grinding, so that the porous nano molecular nest is dispersed in the ethanol aqueous solution to obtain an initial dispersion liquid, wherein the mass ratio of the porous nano molecular nest to the ethanol aqueous solution is 5 (1-3), then adding rare earth into the ball mill, and grinding for 3-4 hours at the ball-to-material ratio of (20-25): 1 and the rotating speed of the ball mill of 300-350r/min to obtain the porous nano molecular nest dispersion liquid.
The preparation method of the bioactive component-containing molecular nest comprises the following steps of putting a bioactive component solution, a porous nano molecular nest dispersion liquid, a titanate coupling agent and polyvinyl amine into a stirring kettle with high shear to carry out high shear, wherein the mass ratio of the bioactive component solution to the porous nano molecular nest dispersion liquid to the titanate coupling agent to the polyvinyl amine is (8-10): (8-10): 1:1, the high shearing temperature is 50-55 ℃, the shearing rotating speed is 7000-7200rpm, the shearing time is 20-22min, and the porous nano molecular nest dispersion liquid containing the bioactive component is obtained after the heat preservation is carried out for 1-1.5 hours at the temperature of 50-55 ℃ after the high shearing is finished. Then spray drying to obtain dried molecular nest containing bioactive components.
And (3) dispersing the molecular nest containing the bioactive component, namely adding sodium pyrophosphate into the dried molecular nest containing the bioactive component, and then adding into a grinding machine for grinding, wherein the rotating speed of a grinding disc is 30-35 revolutions per minute, the grinding time is 5-6 minutes, and the grinding pressure is 1-2 kilograms per square centimeter, so as to obtain the dispersed molecular nest containing the bioactive component.
The preparation of the fiber containing the molecular nest uses the prepared dispersed molecular nest containing the bioactive components for spinning, and can be used in viscose fiber, nylon fiber, polyester fiber and ES fiber.
When the molecular nest containing the bioactive components is used in viscose, the preparation method comprises the steps of uniformly dispersing the dispersed molecular nest containing the bioactive components in deionized water, and then mixing the deionized water with viscose spinning stock solution to obtain mixed spinning solution, wherein the mass ratio of the dispersed molecular nest containing the bioactive components to the viscose spinning stock solution is (1-3): and 30, using the mixed spinning solution for spinning.
When the biological active component-containing molecular nest is used in nylon fibers, the preparation method comprises the step of adding the molecular nest containing the biological active component into nylon chips, wherein the mass ratio of the molecular nest containing the biological active component to the nylon chips is (1-3): and 40, then carrying out high-temperature melting to obtain the chinlon master batch containing the molecular nest. Mixing the prepared nylon master batch containing the molecular nest with nylon chips, melting and mixing in a spinning machine, and preparing the nascent fiber through a screw extruder, a melt filter, a spinning box and a component. And (3) performing secondary hot drawing and heat setting on the prepared nascent fiber to obtain the polyamide fiber containing the molecular nest.
The preparation method is also suitable for the polyester fiber.
When the biological active component-containing molecular nest is used in ES fibers, the preparation method comprises the step of adding the molecular nest containing the biological active component into the PE slices, wherein the mass ratio of the molecular nest containing the biological active component to the PE slices is (1-3): and 40, melting at high temperature to obtain the PE master batch containing the molecular nest. And mixing the prepared PE master batch containing the molecular nest with PP or PET slices, melting and mixing in a spinning machine, and preparing the nascent fiber through a screw extruder, a melt filter, a spinning box and a component. And (3) performing secondary hot drawing and heat setting on the prepared nascent fiber to obtain the ES fiber containing the molecular nest.
The preparation of the wall cloth containing the molecular nest comprises the steps of preparing the prepared fiber containing the molecular nest into a non-woven fabric containing the molecular nest through a web former or preparing a textile fabric containing the molecular nest through a textile process, then scraping slurry, making water resistance, sizing, adjusting the fiber skew, and then compounding the fiber on a compound machine. And finally, selecting a corresponding post-processing mode according to the type of the wallhanging to be prepared, wherein the wallhanging belongs to printed wallhanging, jacquard wallhanging or embroidery wallhanging.
Compared with the prior art, the invention has the beneficial effects that:
(1) the color fastness test of the large biological wall cloth prepared by the method shows that the obtained product has the artificial light color fastness of 7 grade, the light color fastness of 5 grade and the friction color fastness of 5 grade;
(2) according to the mildew-proof performance test, the large biological wall cloth prepared by the method adopts the GB/T24346-2009 national standard, and the mildew-proof grade is 1 grade;
(3) the fouling resistance of the large biological wall cloth prepared by the method can be improved by adding the porous molecular nest containing the bioactive components, and the wall cloth still has no dust after being placed indoors for 6 months;
(4) according to the biological wall cloth prepared by the method, the added porous molecular nest containing the bioactive components can improve the air permeability of the wall cloth and can play a role in removing mould on the wall surface, and the wall surface is still free from any damage after the biological wall cloth is used for 1 year in a humid environment;
(5) the waterproof performance of the large biological wall cloth prepared by the method can reach 4 levels;
(6) the biological active components added into the large biological wall cloth prepared by the method can play an antibacterial role, and the antibacterial rate of the large biological wall cloth on staphylococcus aureus, escherichia coli and candida albicans is more than 90% by adopting GB/T20944.3-2008 national standard through antibacterial performance test.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described.
Example 1
A biological wall cloth containing bioactive components and its preparation method comprises preparing porous molecular nest containing bioactive components, dispersing molecular nest containing bioactive components, preparing fiber containing molecular nest, and preparing wall cloth containing molecular nest.
The preparation of the porous molecular nest containing the bioactive components comprises the preparation of the porous nano molecular nest, the preparation of a bioactive component solution, the dispersion of the porous nano molecular nest and the preparation of the molecular nest containing the bioactive components.
The preparation method of the porous nano molecular nest comprises the steps of preparing a calcium chloride solution with the mass fraction of 10%, adding hydrogen peroxide into the calcium chloride solution while stirring, wherein the mass ratio of the calcium chloride solution to the hydrogen peroxide is 1:2, the stirring speed is 100rpm, the stirring time is 30min, and obtaining the pore-increasing agent after the stirring is finished. And then pouring the pore-increasing agent into 100-mesh zeolite powder for heating and stirring, wherein the heating temperature is 80 ℃, the stirring speed is 70rpm, the heating and stirring time is 50min, and the mass ratio of the pore-increasing agent to the zeolite powder is 1: and 3, after heating and stirring are finished, spray drying is carried out, and the porous molecular nest is obtained. And then adding the modified zeolite powder into a ball mill, and grinding for 1 hour at the ball-material ratio of 30:1 and the rotation speed of the ball mill of 200r/min to obtain the porous nano molecular nest.
The preparation method of the bioactive component solution comprises the steps of mixing chitin and seaweed extracts in a mass ratio of 2:1, dissolving the mixture in absolute ethyl alcohol, and then carrying out ultrasonic homogenization to prepare the bioactive component solution, wherein the homogenization temperature is 70 ℃, the mean power is 10kw, and the homogenization time is 2 hours.
And (3) dispersing the porous nano molecular nest, namely adding the porous nano molecular nest and an ethanol aqueous solution into a ball mill for grinding to disperse the porous nano molecular nest in the ethanol aqueous solution to obtain an initial dispersion liquid, wherein the mass ratio of the porous nano molecular nest to the ethanol aqueous solution is 5:1, then adding rare earth into the ball mill, and grinding for 3 hours at the ball-to-material ratio of 20:1 and the rotating speed of the ball mill of 300r/min to obtain the porous nano molecular nest dispersion liquid.
The preparation method of the bioactive component-containing molecular nest comprises the steps of putting a bioactive component solution, a porous nano molecular nest dispersion liquid, a titanate coupling agent and polyvinyl amine into a stirring kettle with high shear to carry out high shear, wherein the mass ratio of the bioactive component solution to the porous nano molecular nest dispersion liquid to the titanate coupling agent to the polyvinyl amine is 8: 8: 1:1, the high shearing temperature is 50 ℃, the shearing rotating speed is 7000rpm, the shearing time is 20min, and the porous nano molecular nest dispersion liquid containing the bioactive component is obtained after heat preservation is carried out for 1 hour at 50 ℃ after the high shearing is finished. Then spray drying to obtain dried molecular nest containing bioactive components.
And (3) dispersing the molecular nest containing the bioactive component, namely adding sodium pyrophosphate into the dried molecular nest containing the bioactive component, and then adding into a grinding machine for grinding, wherein the rotating speed of a grinding disc is 30 revolutions per minute, the grinding time is 5 minutes, and the grinding pressure is 1 kilogram per square centimeter, so as to obtain the dispersed molecular nest containing the bioactive component.
The preparation method of the fiber containing the molecular nest comprises the steps of uniformly dispersing the dispersed molecular nest containing the bioactive component in deionized water, and then mixing the deionized water with viscose fiber spinning solution to obtain mixed spinning solution, wherein the mass ratio of the dispersed molecular nest containing the bioactive component to the viscose fiber spinning solution is (1-3): and 30, using the mixed spinning solution for spinning.
The preparation of the wall cloth containing the molecular nest comprises the steps of preparing the prepared fiber containing the molecular nest into a non-woven fabric containing the molecular nest through a web former or preparing a textile fabric containing the molecular nest through a textile process, then scraping slurry, making water resistance, sizing, adjusting the fiber skew, and then compounding the fiber on a compound machine. And finally, selecting a corresponding post-processing mode according to the type of the wallhanging to be prepared, wherein the wallhanging belongs to printed wallhanging, jacquard wallhanging or embroidery wallhanging.
Example 2
A biological wall cloth containing bioactive components and its preparation method comprises preparing porous molecular nest containing bioactive components, dispersing molecular nest containing bioactive components, preparing fiber containing molecular nest, and preparing wall cloth containing molecular nest.
The preparation of the porous molecular nest containing the bioactive components comprises the preparation of the porous nano molecular nest, the preparation of a bioactive component solution, the dispersion of the porous nano molecular nest and the preparation of the molecular nest containing the bioactive components.
The preparation method of the porous nano molecular nest comprises the steps of preparing a calcium chloride solution with the mass fraction of 10%, adding hydrogen peroxide into the calcium chloride solution while stirring, wherein the mass ratio of the calcium chloride solution to the hydrogen peroxide is 1:3, the stirring speed is 105rpm, the stirring time is 32min, and obtaining the pore-increasing agent after the stirring is finished. And then pouring the pore-increasing agent into 100-mesh zeolite powder for heating and stirring, wherein the heating temperature is 82 ℃, the stirring speed is 75rpm, the heating and stirring time is 53min, and the mass ratio of the pore-increasing agent to the zeolite powder is 1: and 4, after heating and stirring are finished, spray drying is carried out, and the porous molecular nest is obtained. And then adding the modified zeolite powder into a ball mill, and grinding for 1.2 hours at the ball-material ratio of 32:1 and the rotating speed of the ball mill of 220r/min to obtain the porous nano molecular nest.
The preparation method of the bioactive component solution comprises the steps of mixing extracts of chitin and seaweed according to the mass ratio of 3:1, dissolving the mixture in absolute ethyl alcohol, and then carrying out ultrasonic homogenization to prepare the bioactive component solution, wherein the homogenization temperature is 75 ℃, the mean power is 12kw, and the homogenization time is 2.5 hours.
And (3) dispersing the porous nano molecular nest, namely adding the porous nano molecular nest and an ethanol aqueous solution into a ball mill for grinding, so that the porous nano molecular nest is dispersed in the ethanol aqueous solution to obtain an initial dispersion liquid, wherein the mass ratio of the porous nano molecular nest to the ethanol aqueous solution is 5:2, then adding rare earth into the ball mill, and grinding for 3.5 hours at the ball-to-material ratio of 22:1 and the rotating speed of the ball mill of 320r/min to obtain the porous nano molecular nest dispersion liquid.
The preparation method of the bioactive component-containing molecular nest comprises the steps of putting a bioactive component solution, a porous nano molecular nest dispersion liquid, a titanate coupling agent and polyvinyl amine into a stirring kettle with high shear to carry out high shear, wherein the mass ratio of the bioactive component solution to the porous nano molecular nest dispersion liquid to the titanate coupling agent to the polyvinyl amine is 9:9:1:1, the high shear temperature is 53 ℃, the shear rotation speed is 7100rpm, the shear time is 21min, and after the high shear is finished, the temperature is kept at 52 ℃ for 1.2 hours to obtain the bioactive component-containing porous nano molecular nest dispersion liquid. Then spray drying to obtain dried molecular nest containing bioactive components.
And (3) dispersing the molecular nest containing the bioactive component, namely adding sodium pyrophosphate into the dried molecular nest containing the bioactive component, and then adding into a grinding machine for grinding, wherein the rotating speed of a grinding disc is 32 revolutions per minute, the grinding time is 5.5 minutes, and the grinding pressure is 1.5 kilograms per square centimeter, so as to obtain the dispersed molecular nest containing the bioactive component.
The preparation method of the fiber containing the molecular nest comprises the steps of adding the molecular nest containing the bioactive component into nylon chips, wherein the mass ratio of the molecular nest containing the bioactive component to the nylon chips is 1:20, and then carrying out high-temperature melting to obtain the nylon master batch containing the molecular nest. Mixing the prepared nylon master batch containing the molecular nest with nylon chips, melting and mixing in a spinning machine, and preparing the nascent fiber through a screw extruder, a melt filter, a spinning box and a component. And (3) performing secondary hot drawing and heat setting on the prepared nascent fiber to obtain the polyamide fiber containing the molecular nest.
The method is also suitable for polyester fibers.
The preparation of the wall cloth containing the molecular nest comprises the steps of preparing the prepared fiber containing the molecular nest into a non-woven fabric containing the molecular nest through a web former or preparing a textile fabric containing the molecular nest through a textile process, then scraping slurry, making water resistance, sizing, adjusting the fiber skew, and then compounding the fiber on a compound machine. And finally, selecting a corresponding post-processing mode according to the type of the wallhanging to be prepared, wherein the wallhanging belongs to printed wallhanging, jacquard wallhanging or embroidery wallhanging.
Example 3
A biological wall cloth containing bioactive components and its preparation method comprises preparing porous molecular nest containing bioactive components, dispersing molecular nest containing bioactive components, preparing fiber containing molecular nest, and preparing wall cloth containing molecular nest.
The preparation of the porous molecular nest containing the bioactive components comprises the preparation of the porous nano molecular nest, the preparation of a bioactive component solution, the dispersion of the porous nano molecular nest and the preparation of the molecular nest containing the bioactive components.
The preparation method of the porous nano molecular nest comprises the steps of preparing a calcium chloride solution with the mass fraction of 10%, adding hydrogen peroxide into the calcium chloride solution while stirring, wherein the mass ratio of the calcium chloride solution to the hydrogen peroxide is 1:4, the stirring speed is 110rpm, the stirring time is 35min, and obtaining the pore-increasing agent after the stirring is finished. And then pouring the pore-increasing agent into 100-mesh zeolite powder for heating and stirring, wherein the heating temperature is 85 ℃, the stirring speed is 80rpm, the heating and stirring time is 55min, and the mass ratio of the pore-increasing agent to the zeolite powder is 1: and 5, after heating and stirring are finished, spray drying is carried out, and the porous molecular nest is obtained. And then adding the modified zeolite powder into a ball mill, and grinding for 1.5 hours at the ball-material ratio of 35:1 and the rotating speed of the ball mill of 250r/min to obtain the porous nano molecular nest.
The preparation method of the bioactive component solution comprises the steps of mixing extracts of chitin and seaweed according to a mass ratio of 4:1, dissolving the mixture in absolute ethyl alcohol, and then carrying out ultrasonic homogenization to prepare the bioactive component solution, wherein the homogenization temperature is 80 ℃, the mean power is 15kw, and the homogenization time is 3 hours.
And (3) dispersing the porous nano molecular nest, namely adding the porous nano molecular nest and an ethanol aqueous solution into a ball mill for grinding, so that the porous nano molecular nest is dispersed in the ethanol aqueous solution to obtain an initial dispersion liquid, wherein the mass ratio of the porous nano molecular nest to the ethanol aqueous solution is 5:3, then adding rare earth into the ball mill, and grinding for 4 hours at the ball-to-material ratio of 25:1 and the rotating speed of the ball mill of 350r/min to obtain the porous nano molecular nest dispersion liquid.
The preparation method of the bioactive component-containing molecular nest comprises the steps of putting a bioactive component solution, a porous nano molecular nest dispersion liquid, a titanate coupling agent and polyvinyl amine into a stirring kettle with high shear to carry out high shear, wherein the mass ratio of the bioactive component solution to the porous nano molecular nest dispersion liquid to the titanate coupling agent to the polyvinyl amine is 10: 10: 1:1, the high shearing temperature is 55 ℃, the shearing speed is 7200rpm, the shearing time is 22min, and after the high shearing is finished, the heat preservation is carried out for 1.5 hours at the temperature of 55 ℃ to obtain the porous nano molecular nest dispersion liquid containing the bioactive components. Then spray drying to obtain dried molecular nest containing bioactive components.
And (3) dispersing the molecular nest containing the bioactive component, namely adding sodium pyrophosphate into the dried molecular nest containing the bioactive component, and then adding into a grinding machine for grinding, wherein the rotating speed of a grinding disc is 35 revolutions per minute, the grinding time is 6 minutes, and the grinding pressure is 2 kilograms per square centimeter, so that the dispersed molecular nest containing the bioactive component is obtained.
The preparation of the fiber containing the molecular nest comprises the steps of adding the molecular nest containing the bioactive components into a PE slice, wherein the mass ratio of the molecular nest containing the bioactive components to the PE slice is (1-3): and 40, melting at high temperature to obtain the PE master batch containing the molecular nest. And mixing the prepared PE master batch containing the molecular nest with PP or PET slices, melting and mixing in a spinning machine, and preparing the nascent fiber through a screw extruder, a melt filter, a spinning box and a component. And (3) performing secondary hot drawing and heat setting on the prepared nascent fiber to obtain the ES fiber containing the molecular nest.
The preparation of the wall cloth containing the molecular nest comprises the steps of preparing the prepared fiber containing the molecular nest into a non-woven fabric containing the molecular nest through a web former or preparing a textile fabric containing the molecular nest through a textile process, then scraping slurry, making water resistance, sizing, adjusting the fiber skew, and then compounding the fiber on a compound machine. And finally, selecting a corresponding post-processing mode according to the type of the wallhanging to be prepared, wherein the wallhanging belongs to printed wallhanging, jacquard wallhanging or embroidery wallhanging.
Example 4
The tests were carried out using the bio-active ingredient-containing large bio-wall cloths described in examples 1-3, while setting up comparative tests 1-2 for comparison.
Comparative example 1: the large biological wall cloth containing the bioactive components and the preparation method thereof are adopted, and the differences are that: in the preparation process of the porous nano molecular nest, the 'adding of a pore-increasing agent' is omitted, and the zeolite powder is directly added into a ball mill for grinding.
Comparative example 2: the large biological wall cloth containing the bioactive components and the preparation method thereof are adopted, and the differences are that: in the preparation process of the molecular nest containing the bioactive components, polyvinylamine is omitted, and only the bioactive component solution, the porous nano molecular nest dispersion liquid and the titanate coupling agent are put into a stirring kettle with high shear for high shear.
The performance of the bio-wall cloth containing bioactive components prepared in examples 1-3 and comparative examples 1-2 is as follows:
all percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The preparation method of the large biological wall cloth containing the bioactive components is characterized by comprising the steps of preparing porous molecular nests containing the bioactive components, dispersing the molecular nests containing the bioactive components, preparing fibers containing the molecular nests and preparing the wall cloth containing the molecular nests.
2. The method for preparing biological component-containing bio-wall cloth according to claim 1, wherein the preparation of the biological component-containing porous molecular nest comprises preparation of a porous nano molecular nest, preparation of a biological component solution, dispersion of the porous nano molecular nest, and preparation of the biological component-containing molecular nest.
3. The preparation method of the large biological wall cloth containing the bioactive components is characterized in that the porous nano molecular nest is prepared by preparing a calcium chloride solution with the mass fraction of 10%, and then adding hydrogen peroxide into the calcium chloride solution while stirring, wherein the mass ratio of the calcium chloride solution to the hydrogen peroxide is 1 (2-4), the stirring speed is 100-110rpm, the stirring time is 30-35min, and a pore-increasing agent is obtained after the stirring is finished; and then pouring the pore-increasing agent into 100-mesh zeolite powder for heating and stirring, wherein the heating temperature is 80-85 ℃, the stirring speed is 70-80rpm, the heating and stirring time is 50-55min, and the mass ratio of the pore-increasing agent to the zeolite powder is 1: (3-5), after heating and stirring are finished, spray drying is carried out, and a porous molecular nest is obtained; and then adding the modified zeolite powder into a ball mill, and grinding for 1-1.5 hours at the ball-material ratio of (30-35): 1 and the ball mill rotation speed of 200-250r/min to obtain the porous nano molecular nest.
4. The method for preparing bio-wall cloth containing bio-active ingredients as claimed in claim 2, wherein the bio-active ingredient solution is prepared by mixing chitin and seaweed extracts in a mass ratio of (2-4): 1, dissolving in absolute ethanol, and then performing ultrasonic homogenization to prepare the bio-active ingredient solution, wherein the homogenization temperature is 70-80 ℃, the mean power is 10-15kw, and the homogenization time is 2-3 hours.
5. The preparation method of the bio-wall cloth containing the bioactive components is characterized in that the porous nano molecular nests are dispersed, the porous nano molecular nests and an ethanol aqueous solution are added into a ball mill for grinding, the porous nano molecular nests are dispersed in the ethanol aqueous solution to obtain an initial dispersion, the mass ratio of the porous nano molecular nests to the ethanol aqueous solution is 5 (1-3), then rare earth is added into the ball mill, and grinding is carried out for 3-4 hours at the ball-material ratio of (20-25): 1 and the rotating speed of the ball mill of 300-350r/min to obtain the porous nano molecular nest dispersion.
6. The method for preparing large biological wall cloth containing bioactive components according to claim 2, wherein the molecular nest containing bioactive components is prepared by putting a bioactive component solution, a porous nano molecular nest dispersion, a titanate coupling agent and polyvinyl amine into a stirring kettle with high shearing to carry out high shearing, wherein the mass ratio of the bioactive component solution to the porous nano molecular nest dispersion to the titanate coupling agent to the polyvinyl amine is (8-10): (8-10): 1:1, wherein the high shearing temperature is 50-55 ℃, the shearing speed is 7000-7200rpm, the shearing time is 20-22min, and after the high shearing is finished, the heat preservation is carried out for 1-1.5 hours at 50-55 ℃ to obtain the porous nano molecular nest dispersion liquid containing the bioactive component; then spray drying to obtain dried molecular nest containing bioactive components.
7. The method for preparing biological component-containing large biological wall cloth according to claim 1, wherein the dispersing of the biological component-containing molecular nest is carried out by adding sodium pyrophosphate into dried biological component-containing molecular nest and then adding into a grinder for grinding, wherein the rotation speed of a grinding disc is 30-35 r/min, the grinding time is 5-6 min, and the grinding pressure is 1-2 kg/cm, so as to obtain the dispersed biological component-containing molecular nest.
8. The method for preparing biological wall cloth containing biological active components according to claim 1, wherein the prepared molecular nest-containing fiber is used for spinning, and can be used in viscose fiber, nylon fiber, polyester fiber and ES fiber.
9. The method for preparing large biological wall cloth containing bioactive components according to claim 1, characterized in that the wall cloth containing molecular nests is prepared by preparing the prepared fibers containing molecular nests into non-woven fabric containing molecular nests through a net forming machine or preparing the fibers containing molecular nests into woven fabric containing molecular nests through a textile process, then scraping and cleaning the pulp, making water proofing, sizing and adjusting fiber skew, and then compounding the fibers in a compounding machine; and finally, selecting a corresponding post-processing mode according to the type of the wallhanging to be prepared, wherein the wallhanging belongs to printed wallhanging, jacquard wallhanging or embroidery wallhanging.
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| CN202011352031.5A CN112342640A (en) | 2020-11-27 | 2020-11-27 | Large biological wall cloth containing bioactive components |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116920024A (en) * | 2023-01-31 | 2023-10-24 | 百草边大生物科技(青岛)有限公司 | Large biological functional agent containing soapberry extract |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116920024A (en) * | 2023-01-31 | 2023-10-24 | 百草边大生物科技(青岛)有限公司 | Large biological functional agent containing soapberry extract |
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Application publication date: 20210209 |